WO2008058014A3 - Method and apparatus for noninvasive probe/skin tissue contact sensing - Google Patents

Method and apparatus for noninvasive probe/skin tissue contact sensing Download PDF

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Publication number
WO2008058014A3
WO2008058014A3 PCT/US2007/083497 US2007083497W WO2008058014A3 WO 2008058014 A3 WO2008058014 A3 WO 2008058014A3 US 2007083497 W US2007083497 W US 2007083497W WO 2008058014 A3 WO2008058014 A3 WO 2008058014A3
Authority
WO
WIPO (PCT)
Prior art keywords
skin tissue
tissue contact
contact sensing
noninvasive probe
probe
Prior art date
Application number
PCT/US2007/083497
Other languages
French (fr)
Other versions
WO2008058014A2 (en
Inventor
Timothy L Ruchti
James M Welch
Christopher Slawinski
Thomas B Blank
Stephen L Monfre
Original Assignee
Sensys Medical Inc
Timothy L Ruchti
James M Welch
Christopher Slawinski
Thomas B Blank
Stephen L Monfre
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sensys Medical Inc, Timothy L Ruchti, James M Welch, Christopher Slawinski, Thomas B Blank, Stephen L Monfre filed Critical Sensys Medical Inc
Priority to EP07863843A priority Critical patent/EP2077750A4/en
Publication of WO2008058014A2 publication Critical patent/WO2008058014A2/en
Priority to US12/125,017 priority patent/US8868147B2/en
Publication of WO2008058014A3 publication Critical patent/WO2008058014A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/1459—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters invasive, e.g. introduced into the body by a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6843—Monitoring or controlling sensor contact pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/14—Coupling media or elements to improve sensor contact with skin or tissue
    • A61B2562/146—Coupling media or elements to improve sensor contact with skin or tissue for optical coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0531—Measuring skin impedance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/027—Control of working procedures of a spectrometer; Failure detection; Bandwidth calculation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0278—Control or determination of height or angle information for sensors or receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light

Abstract

The invention relates to a method and apparatus for performing noninvasive analyte property determination. More particularly, the invention relates to determining proximity and/or contact of an optical sample probe with skin tissue.
PCT/US2007/083497 2004-04-28 2007-11-02 Method and apparatus for noninvasive probe/skin tissue contact sensing WO2008058014A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07863843A EP2077750A4 (en) 2006-11-03 2007-11-02 Method and apparatus for noninvasive probe/skin tissue contact sensing
US12/125,017 US8868147B2 (en) 2004-04-28 2008-05-21 Method and apparatus for controlling positioning of a noninvasive analyzer sample probe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86437506P 2006-11-03 2006-11-03
US60/864,375 2006-11-03

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/117,104 Continuation-In-Part US7519406B2 (en) 2000-05-02 2005-04-27 Noninvasive analyzer sample probe interface method and apparatus

Publications (2)

Publication Number Publication Date
WO2008058014A2 WO2008058014A2 (en) 2008-05-15
WO2008058014A3 true WO2008058014A3 (en) 2008-08-21

Family

ID=39365265

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/083497 WO2008058014A2 (en) 2004-04-28 2007-11-02 Method and apparatus for noninvasive probe/skin tissue contact sensing

Country Status (2)

Country Link
EP (1) EP2077750A4 (en)
WO (1) WO2008058014A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2560546B1 (en) 2010-04-21 2017-01-04 Koninklijke Philips N.V. Determination of a lipid water ratio
US20150245782A1 (en) * 2014-02-28 2015-09-03 Covidien Lp Systems and methods for capacitance sensing in medical devices
EP3244348A1 (en) 2014-10-15 2017-11-15 Eccrine Systems, Inc. Sweat sensing device communication, security and compliance
WO2016138087A1 (en) * 2015-02-24 2016-09-01 Eccrine Systems, Inc. Dynamic sweat sensor management
US10646142B2 (en) 2015-06-29 2020-05-12 Eccrine Systems, Inc. Smart sweat stimulation and sensing devices
WO2017070640A1 (en) 2015-10-23 2017-04-27 Eccrine Systems, Inc. Devices capable of sample concentration for extended sensing of sweat analytes
US10674946B2 (en) 2015-12-18 2020-06-09 Eccrine Systems, Inc. Sweat sensing devices with sensor abrasion protection
WO2017126955A1 (en) * 2016-01-18 2017-07-27 Erasmus University Medical Center Rotterdam Tissue sample analysis
US10405794B2 (en) 2016-07-19 2019-09-10 Eccrine Systems, Inc. Sweat conductivity, volumetric sweat rate, and galvanic skin response devices and applications
US10736565B2 (en) 2016-10-14 2020-08-11 Eccrine Systems, Inc. Sweat electrolyte loss monitoring devices
EP3505048A1 (en) * 2017-12-28 2019-07-03 Koninklijke Philips N.V. Optical skin sensor using optimal spectral bands to minimize the effect of probe pressure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6546269B1 (en) * 1998-05-13 2003-04-08 Cygnus, Inc. Method and device for predicting physiological values
US20030216630A1 (en) * 2002-01-25 2003-11-20 Inotech Medical Systems, Inc. Conductivity reconstruction based on inverse finite element measurements in a tissue monitoring system
US20060200017A1 (en) * 2002-03-08 2006-09-07 Monfre Stephen L Noninvasive targeting system method and apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060211931A1 (en) * 2000-05-02 2006-09-21 Blank Thomas B Noninvasive analyzer sample probe interface method and apparatus
US7519406B2 (en) * 2004-04-28 2009-04-14 Sensys Medical, Inc. Noninvasive analyzer sample probe interface method and apparatus
US20080033275A1 (en) * 2004-04-28 2008-02-07 Blank Thomas B Method and Apparatus for Sample Probe Movement Control

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6546269B1 (en) * 1998-05-13 2003-04-08 Cygnus, Inc. Method and device for predicting physiological values
US20030216630A1 (en) * 2002-01-25 2003-11-20 Inotech Medical Systems, Inc. Conductivity reconstruction based on inverse finite element measurements in a tissue monitoring system
US20060200017A1 (en) * 2002-03-08 2006-09-07 Monfre Stephen L Noninvasive targeting system method and apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2077750A4 *

Also Published As

Publication number Publication date
EP2077750A4 (en) 2010-03-31
EP2077750A2 (en) 2009-07-15
WO2008058014A2 (en) 2008-05-15

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